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What is Semax? UK evidence and legal position0:49 Watch on YouTube Read transcript

What is Semax? UK evidence and legal position

What is Semax? Watch the full video above, or read the complete timestamped transcript below.

Transcript

[0:00] What is Semax?

[0:08] Semax is a synthetic peptide. It is a short chain derived from a fragment of adrenocorticotropic hormone, ACTH, with a sequence modification intended to slow its breakdown. It was developed in Russia and is often discussed alongside its sister compound, Selank.

[0:16] The published evidence base is largely preclinical, weighted toward rodent studies, and concentrated in a single regional research literature. Independent western replication is limited. There are no established UK randomised controlled trials.

[0:24] In the UK, Semax is not a controlled drug and holds no marketing authorisation as a medicine. The MHRA does not assess research chemicals. It is sold legally only as a research chemical, research use only, not for human consumption.

[0:32] There is no approved dosing guidance. Full evidence breakdown on peptideclear.co.uk/research-peptides.

[0:40] Full evidence breakdown on peptideclear.co.uk

Not medical advice. PeptideClear is editorial commentary only. Always consult a UK-registered healthcare professional.

Reviewed by Oliver Mackman, editorial director · last reviewed 2026-07-18T12:00:00.000Z
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